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Abstract

The astigmatism in reflective imaging systems can be eliminated by a proper configuration. However, the spherical and
coma are the main residual aberrations in third order theory, but the behavior of all aberrations is not yet fully The main
aberration of classical off-axis reflecting systems is primary astigmatism. The astigmatism in off-axis spherical
understood. Expressions for the wavefront aberrations in an off-axis spherical mirror are presented. These formulas are
derived from the optical path difference between an ellipsoid and a sphere, assuming a relatively small pupil and a small
angle of incidence as it will be described with detail. Using the principle of the optical path difference, we developed the
mathematical expressions that describe the third order wavefront aberrations in a two spherical mirror system when the
object is finite.

Daniel Malacara-Hernández, Armando Gomez-Vieyra, "Optical design of systems with off-axis spherical mirrors," Proc. SPIE 8011, 22nd Congress of the International Commission for Optics: Light for the Development of the World, 801114 (21 October 2011);

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Journal of Applied Remote SensingJournal of Astronomical Telescopes Instruments and SystemsJournal of Biomedical OpticsJournal of Electronic ImagingJournal of Medical ImagingJournal of Micro/Nanolithography, MEMS, and MOEMSJournal of NanophotonicsJournal of Photonics for EnergyNeurophotonicsOptical EngineeringSPIE Reviews